#515B68#515B68

#515B68 is a mid, muted cyan. Relative luminance 0.102; OKLCH L 46.7% C 0.025 H 255.0°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#515B68
RGB	rgb(81, 91, 104)
HSL	hsl(214, 12%, 36%)
HSV	hsv(214, 22%, 41%)
CMYK	cmyk(22.1%, 12.5%, 0%, 59.2%)
CIE-LAB	lab(38.25, -0.74, -8.74)
CIE-LCH	lch(38.25, 8.77, 265.19°)
OKLab	oklab(46.74% -0.0063 -0.0237)
OKLCH	oklch(46.74% 0.025 255)
XYZ	xyz(9.6325, 10.2307, 14.5612)
Luminance	0.1023 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515B68 #685E51

analogous

#516768 #515B68 #535168

triadic

#515B68 #68515B #5B6851

tetradic

#515B68 #685167 #685E51 #516853

square

#515B68 #685167 #685E51 #516853

split-complementary

#515B68 #685351 #676851

monochromatic

#1B1F23 #363D46 #515B68 #6C798A #8D98A6

Accessibility & contrast

On white

6.89

#515B68 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#515B68 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515B68

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515B68	#FFFFFF	#000000	##FFFFFF
##515B68	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575B69

Deuteranopia (green-blind)

#545968

Tritanopia (blue-blind)

#4B5E5F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #515b68;
/* rgb */ color: rgb(81, 91, 104);
/* oklch */ color: oklch(46.7% 0.025 255.0);

Tailwind

colors: {
  custom: {
    50: '#828993',
    500: '#515b68',
    950: '#000000',
  },
}

SCSS

$custom: #515b68;
$custom-light: #828993;
$custom-dark: #000000;

JSON

{
  "hex": "#515b68",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 104
  },
  "hsl": {
    "h": 213.913,
    "s": 12.432,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46735,
    "c": 0.02458,
    "h": 255
  },
  "luminance": 0.10231
}

Semantic roles & 50–950 ramp

primary

#515B68

secondary

#958C80

accent

#9872B5

background

#F7F8F9

surface

#EEF0F1

border

#C9CBCB

text

#0A0B0D

muted

#7C7C7E

Preview Lab

Preview with #515B68

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →